condition	mean	min	max
4 h after light	7.117465000000001	5.98983	8.2451
8 h after light	5.736525	4.79288	6.68017
12 h after light	6.87992	6.184	7.57584
4 h after dark	12.373850000000001	12.0138	12.7339
8 h after dark	11.30595	10.7206	11.8913
12 h after dark	10.22601	8.92102	11.531